Versions of Iowa Code 600B.1 - Obligation of parents on LawServer 2023 Iowa Code 600B.1 – Obligation of parents 2022 Iowa Code 600B.1 – Obligation of parents 2020 Iowa Code 600B.1 – Obligation of parents 2018 Iowa Code 600B.1 – Obligation of parents 2016 Iowa Code 600B.1 – Obligation of parents 2014 Iowa Code 600B.1 – Obligation of parents. 2009 Iowa Code 600B.1 – Obligation of parents